From 3d6dad8c9202f449bbdff90da5463c1994198883 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 17 Nov 2015 10:39:01 +0000
Subject: [PATCH] Do not assume that linux and gnu libc are the same thing

Use __GLIBC__ when testing for GNU libc specific things instead of
assuming that __linux__ is GNU libc.

This is needed for building with musl libc.

Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
---
 lib/file/fileIOPosix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/lib/file/fileIOPosix.c
+++ b/lib/file/fileIOPosix.c
@@ -203,7 +203,7 @@ static AlignedPool alignedPool;
  * are not available in any header file.
  */
 
-#if defined(__linux__) && !defined(__ANDROID__)
+#if defined(__linux__) && defined(__GLIBC__)
    #if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
       /*
        * We want preadv/pwritev. But due to FOB=64, the symbols are -64.
